Insert the flash drive into a USB port on your computer. Make sure the USB port is not occupied by another device.
If you are having trouble finding the flash drive, try: how do i open a flash drive
When you drag a file to a flash drive, the computer lies to you. It says "Finished" long before the data is actually written. If you yank the drive out, you corrupt the file table. Insert the flash drive into a USB port on your computer
If your computer doesn't react when you plug the drive in, try these quick fixes: try these quick fixes: